factories must stop ___________ the environment A polluting Bto pollute C pollute Dto polluting.
题目
factories must stop ___________ the environment A polluting Bto pollute C pollute Dto polluting.
选几?
答案
选A stop doing 停止做某事
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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